Siemens AG 5SY4210-7 Miniature Circuit Breaker

Siemens SENTRON 5SY4210-7 is a 2‑pole miniature circuit breaker rated for 400 V AC with a 10 A nominal current and a C‑curve tripping characteristic, designed to protect small distribution circuits from overloads and short circuits. It delivers a breaking capacity of 10 kA and, at a compact 70 mm depth, fits into standard panel installations without excessive space requirements. This RoHS‑compliant device is manufactured in Germany, weighs about 0.303 kg, and carries an IP20 enclosure rating with connected conductors for safe, enclosed operation. As part of the SENTRON basic devices family, the 5SY4210-7 is suitable for 50/60 Hz systems and is chosen when a reliable 10 A protective device with predictable tripping behavior is required in two‑pole configurations.